Inventor
ISHIGO NANCY LYNN
US4 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGO NANCY LYNN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTENTGUARD HOLDINGS INC
3 patentsUS6912294B2Jun 28, 2005
Multi-stage watermarking process and system
CONTENTGUARD HOLDINGS INC84 citations95
US7609848B2Oct 27, 2009
Multi-stage watermarking process and system
CONTENTGUARD HOLDINGS INC11 citations81
US7907749B2Mar 15, 2011
Multi-stage watermarking process and system
CONTENTGUARD HOLDINGS INC0 citations49